Robtex

Up: 198.105.12.0/23
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Down left: 198.105.13.0/25
Down right: 198.105.13.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.105.13.17	A	campaign.mbsbooks.com
198.105.13.27	A	etraining.mbsbooks.com
198.105.13.32	A	t2b2.mbsbooks.com
198.105.13.33	A	taonline2.mbsbooks.com
198.105.13.47	A	digitalcontenthelp.com
198.105.13.47	A	foreword.mbsbooks.com
198.105.13.47	A	marketing-wp.mbsbooks.com
198.105.13.60	A	bookinfo-insitesecure.mbsbooks.com
198.105.13.81	A	view.mbsbooks.com
198.105.13.123	A	intranet.mbsbooks.com
198.105.13.127	A	directlink.mbsbooks.com
198.105.13.127	A	sftp.mbsbooks.com
198.105.13.131	A	mbssmtp.mbsbooks.com
198.105.13.131	A	nospam2q.mbsbooks.com
198.105.13.131	A	nospam2.mbsbooks.com
198.105.13.162	A	images.mbsbooks.com
198.105.13.162	A	bookinfo.mbsdirect.net
198.105.13.163	A	siteimages.mbsdirect.net
198.105.13.165	A	opoebooks.com
198.105.13.165	A	surplustextseller.com
198.105.13.167	A	hmhhomeschool.com
198.105.13.168	A	test-textbooks.com
198.105.13.169	A	servicecenter.mbsdirect.net
198.105.13.170	A	usmabookstore.mbsdirect.net
198.105.13.171	A	blog.xplana.com
198.105.13.171	A	k12bookstoreonline.com
198.105.13.171	A	www.k12bookstoreonline.com
198.105.13.174	A	udtebook.com
198.105.13.175	A	mbsbooks.com
198.105.13.175	A	buybackbydesign.com
198.105.13.175	A	myonlinebookfair.com
198.105.13.177	A	studytactics.com
198.105.13.178	A	digitaltextbooks.com
198.105.13.178	A	digitaltextbooks.net
198.105.13.180	A	textbookquote.com
198.105.13.180	A	servicecenter.mbsbooks.com
198.105.13.180	A	www.servicecenter.mbsbooks.com
198.105.13.181	A	direct.mbsbooks.com
198.105.13.181	A	oneplanetbooks.com
198.105.13.181	A	alliantvirtualbookstore.com
198.105.13.184	A	uscgabookstore.mbsdirect.net
198.105.13.184	A	www.uscgabookstore.com
198.105.13.186	A	shopjblearning.com
198.105.13.187	A	bookstore.mbsdirect.net
198.105.13.188	A	ciabooks.com
198.105.13.194	A	textbookcenter.com
198.105.13.194	A	facultycenter.net
198.105.13.216	A	cgmail.mbsbooks.com
198.105.13.231	A+PTR	nospam1.mbsbooks.com
198.105.13.231	A	smtp.textbooks.com
198.105.13.231	A	smtp.blackboardstore.com